HeyJaredSelf-Actual Engineering
Engineering for the whole of Maslow's hierarchy -- using self-awareness & self-understanding to recover from trauma, build resilience, and redesign our lives.
- Indexed issues, last 90 days
- 6
- Latest publication
- Sep 20, 2026
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- Jul 12, 2026
Latest issues
Science From the Ice Bath: Ice Talks 2 (opens the original)
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This two-and-a-half hour marathon podcast is a compilation of short lectures delivered from my ice bath. Topics include:- the benefits of Shady Forest Light (green light + red/nearinfrared NIR light) for skin health, pain relief, inhibiting growth of melanoma tumors, reducing cellulite and regrowing hair.- using ice baths before exercise - i.e., precooling for exercise performance- ice baths and heart health, and why hypertension is the #1 contraindication to cold plunge therapy- how mitochondri
Why Do Men Go Bald? (opens the original)
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Cold Can Grow HairJuan Ricardo Perez-Escamilla claims that he started regrowing hair on his bald scalp after he adopted a daily practice of taking cold showers. He concluded that it must be the heat of hot showers that was making him bald in his 30’s.I disagreed.My best guess is that Juan suffered from a thyroid disorder that was causing him to lose his hair. A regular practice of cold exposure recruits new brown fat to the body that normalizes thyroid functions, so it stands to reason that abou
How Fast Can Hair Grow? (opens the original)
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<img alt="before after photos showing hair growth on crown of male scalp from forest light photostimulation" class="sizing-normal" height="395" src="https://substackcdn.com/image/fetch/$s_!sNYY!,w_1456,c_limit,f_auto,q_auto:good,fl_progressive:steep/https%3A%2F%2Fsubstack-post-media.s3.amazonaws.com%2Fpublic%2Fimages%2Fb8760fb6-bc2e-498f-a9ff-fce4772bb1ea_777x395.jpeg" title="before after photos showing hair growth on crown of male s
Inversion: ECDO Geoplanetary Axis Shift (opens the original)
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Geomagnetic vs Gyroscopic Axes of RotationThe North Star (Polaris) is always at the top of the Earth’s axis of rotation, but that doesn’t mean it’s always been above the Arctic. When the Earth’s geomagnetic field weakens, that indicates that the axis of rotation will flip so that Polaris switches from over the Arctic to over the Rift Valley in Africa. The current axis of rotation of the Earth is stabilized by the geomagnetic field coming from the iron core at the center of the earth. When the Ea
Ice Bath Benefits for Women (opens the original)
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As an experiment, I asked Claude.ai to summarize my views on how ice baths benefit women. I’ve published several articles for the Morozko journal https://www.morozkoforge.com/ice-bath-science so you’d think it would be no problem for Claude.ai to read and summarize them, right?Not exactly.Claude’s first response was a half-hearted summary of several points, followed by several mischaracterizations of my work. For example, Claude claimed that I’d misrepresented a rat study as human. (I hadn’t). C
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